RETRACTED: Effect of High-Energy Electropulsing on the Phase Transition and Mechanical Properties of Two-Phase Titanium Alloy Strips(Retracted article. See vol.19, artn.1770028, 2017)

被引:13
作者
Ye, Xiaoxin [1 ,2 ]
Tse, Zion T. H. [3 ]
Tang, Guoyi [1 ,2 ]
Song, Guolin [1 ]
机构
[1] Tsinghua Univ, Grad Sch Shenzhen, Adv Mat Inst, Shenzhen 518055, Peoples R China
[2] Tsinghua Univ, Dept Mat Sci & Engn, Minist Educ, Key Lab Adv Mat, Beijing 100084, Peoples R China
[3] Univ Georgia, Coll Engn, Athens, GA 30602 USA
基金
中国国家自然科学基金;
关键词
HEAT-TREATMENT; SOLID SOLUBILITY; TI-6AL-4V ALLOY; MICROSTRUCTURE; EVOLUTION; TEXTURE; MICROHARDNESS; DEFORMATION; BEHAVIOR; COPPERS;
D O I
10.1002/adem.201400273
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effect of high-energy electropulsing treatment (EPT) on the phase transition and mechanical properties of the two-phase Ti-6Al-4V alloy strips (in the solid solution state) was studied with the help of uniaxial tensile machine, X-ray diffraction, optical stereo-microscope, scanning electron microscope, and electrical resistance meters. Results show that the ductility of the titanium alloy strips under EPT could be enhanced remarkably at most by 225% while keeping the tensile strength nearly unchanged. EPT facilitates beta-Ti phase precipitation noticeably with increasing percentage of the beta phase and the average size of the beta phase. In addition, precipitated beta phase gathers coarsening, forms into continuous strips and migrates from the interior grains to the inter-granular regions transforming the wormlike microstructure into the equiaxed microstructure. The mechanism for rapid phase change during EPT is put forward with increasing the nucleation rate of the alpha -> beta phase transformation and accelerating the diffusion flux of vanadium atoms under the coupling of the thermal and athermal effects. Therefore, a highly efficient aging treatment method for titanium alloys is provided to prepare advanced engineering materials with outstanding mechanical properties, which can be widely applied in the aerospace and biomedical fields.
引用
收藏
页码:995 / 1007
页数:13
相关论文
共 43 条
  • [1] MECHANICS OF ELECTROSTIMULATED WIRE DRAWING
    BAZAYKIN, VI
    GROMOV, VE
    KUZNETSOV, VA
    PERETYATKO, VN
    [J]. INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 1991, 27 (13) : 1639 - 1643
  • [2] Solid solubility extension in Cu-V and Cu-Cr alloys produced by chill block melt-spinning
    Bell, A
    Davies, HA
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1997, 226 : 1039 - 1041
  • [3] FEM based prediction of phase transformations during Friction Stir Welding of Ti6Al4V titanium alloy
    Buffa, Gianluca
    Ducato, Antonino
    Fratini, Livan
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2013, 581 : 56 - 65
  • [4] Design, Processing, Microstructure, Properties, and Applications of Advanced Intermetallic TiAl Alloys
    Clemens, Helmut
    Mayer, Svea
    [J]. ADVANCED ENGINEERING MATERIALS, 2013, 15 (04) : 191 - 215
  • [5] Using cluster dynamics to model electrical resistivity measurements in precipitating AIR alloys
    Clouet, Emmanuel
    Barbu, Alain
    [J]. ACTA MATERIALIA, 2007, 55 (01) : 391 - 400
  • [6] Determination of Minimum Machining Depth After Heat Treatment of ASTM Grade 2 Titanium Alloy
    Dobeson, Richard G.
    McDonald, Stuart D.
    Dargusch, Matthew S.
    [J]. ADVANCED ENGINEERING MATERIALS, 2012, 14 (07) : 473 - 476
  • [7] GROMOV VY, 1992, FIZ MET METALLOVED+, P129
  • [8] Evolution of Texture and Microstructure in Commercially Pure Titanium with Change in Strain Path During Rolling
    Gurao, N. P.
    Sethuraman, S.
    Suwas, Satyam
    [J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2013, 44A (03): : 1497 - 1507
  • [9] Microstructure and mechanical properties of AZ61 alloys with large cross-sectional size fabricated by multi-pass ECAP
    Jiang, Jufu
    Wang, Ying
    Qu, Jianjun
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2013, 560 : 473 - 480
  • [10] On the thermodynamics and kinetics of electropulsing induced dissolution of β-Mg17Al12 phase in an aged Mg-9Al-1Zn alloy
    Jiang, Yanbin
    Tang, Guoyi
    Shek, Chanhung
    Zhu, Yaohua
    Xu, Zhuohui
    [J]. ACTA MATERIALIA, 2009, 57 (16) : 4797 - 4808